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[Rich Drewes <drewes@xxxxxxxxxxxxxx>]

Mainline kernel 3.11.0-031100rc3-generic fixes the suspend/resume
problem for me.  (Other late releases may also fix the problem.)

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https://bugs.launchpad.net/bugs/1088721

Title:
  [Toshiba Portege Z935-P390] Fn key and suspend resume failure after
  first suspend

Status in “linux” package in Ubuntu:
  Triaged

Bug description:
  After resuming from the first suspend after clean boot, the mute Fn
  key (Fn-esc) no longer works and neither do the screen brightness Fn
  keys nor the WIFI on/off Fn key nor the suspend to RAM Fn key (I
  usually suspend via the menu anyway). However, the volume up/down Fn
  keys continue to work. This is with 12.10 Quantal 64 bit installed on
  my new Toshiba Portege Z935-P390 via EFI boot.

  ***Then, if I attempt to suspend a second time the machine locks up
  during the suspend process, it appears. From the suspend logs it
  appears that the all scripted steps complete properly but things just
  hang in the final suspend step. The machine cannot be resumed from
  this, it must be rebooted.***

  The same problems occur when I boot 32 bit 12.10 Quantal from a USB
  key. In order to test this I must disable the EFI setting in BIOS
  because only the 64 bit version of Quantal supports EFI boot.

  However, if I boot 32 bit 12.04.1 from a USB key then I can suspend
  and resume multiple times.

  A commit bisect revealed the offending commit is
  b74f05d61b73af584d0c39121980171389ecfaaa .

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: linux-image-3.5.0-19-generic 3.5.0-19.30
  ProcVersionSignature: Ubuntu 3.5.0-19.30-generic 3.5.7
  Uname: Linux 3.5.0-19-generic x86_64
  ApportVersion: 2.6.1-0ubuntu6
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  drewes     1921 F.... pulseaudio
  Date: Mon Dec 10 15:54:11 2012
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2012-11-29 (11 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  MachineType: TOSHIBA PORTEGE Z935
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-19-generic root=UUID=571cece6-83dd-42a5-ae09-efed2aabb209 ro quiet splash acpi_backlight=vendor usbcore.autosuspend=-1 vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-19-generic N/A
   linux-backports-modules-3.5.0-19-generic  N/A
   linux-firmware                            1.95
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/01/2012
  dmi.bios.vendor: TOSHIBA
  dmi.bios.version: Version 6.40
  dmi.board.asset.tag: 0000000000
  dmi.board.name: PORTEGE Z935
  dmi.board.vendor: TOSHIBA
  dmi.board.version: Version A0
  dmi.chassis.asset.tag: 0000000000
  dmi.chassis.type: 10
  dmi.chassis.vendor: TOSHIBA
  dmi.chassis.version: Version 1.0
  dmi.modalias: dmi:bvnTOSHIBA:bvrVersion6.40:bd10/01/2012:svnTOSHIBA:pnPORTEGEZ935:pvrPT234U-02P02E:rvnTOSHIBA:rnPORTEGEZ935:rvrVersionA0:cvnTOSHIBA:ct10:cvrVersion1.0:
  dmi.product.name: PORTEGE Z935
  dmi.product.version: PT234U-02P02E
  dmi.sys.vendor: TOSHIBA

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